WiFi Positioning Based on User Orientation Estimation and Smartphone Carrying Position Recognition

Table 2

Positioning error (meters) comparisons.

Compared Approaches	Proposed approach	Approach (Compass)	Traditional Approach
Mean error	1.61	2.76	3.02
75 percentile	2.35	3.87	4.42
90 percentile	3.11	5.68	6.05
Standard variance	0.40	0.48	0.53